翻译“恐怕我们必须把他留在海南，他不适应北方的气候”

I am afraid we have to put him to stay in Hainan, he adapted the northern climate.
应该是对的吧!

I'm afraid that we have to leave him in Hainan，since he can't adapt himself to the northern climate.

I'm afraid that we have to leave him in Hainan,since he doesn't addapt to the northern climate.

I am afraid we have to put him to stay in Hainan, he does not adapted the northern climate.

I'm afraid that we have to leave him in Hainan , since the northern climate doesn't agree with him

I am afraid we have to put him to stay in Hainan, he adapted the northern climate